VW Code 04656

04656 Description And Summary :
The problem is about ignition coil 'i' secondary circuit, malfunction It could be due to limited air getting through your air intake secondary air injection pump-c-relay (j704), circuit short to b+ and angle sensors 2 for butterfly valve drive 2 (g298), implausible signal will delay your vw fault.

04656 Possible Causes:

04656 vw fault code may be caused by one or more of the following:

Exhaust Gas Recirculation Sensor B Circuit High
Fuel Rail/System Pressure - Too High
O2 Sensor Heater Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 04656 Code

Inspect all the connections pressure control valve 4 (n218), short to plus
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04656 Fault Code For Volkswagen Vehicles

The fault code 04656 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 04656 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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